Revision: Dynamics Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 06 Dynamics - Revision Quiz Test your understanding of Dynamics here: 1 / 5 1) Two blocks connected by a string are being pulled along by a 4.0 N force over a smooth surface. What is the tension in the string? 1.5 N 0.80 N 2.4 N 2.0 N 2 / 5 2) What is the tension of the cable holding a lift of mass 450 kg that is ascending with a deceleration of 2.0 m s-2? 900 N 3600 N 5400 N 4500 N 3 / 5 3) Which diagram correctly shows the addition of two perpendicular forces 3 N and 4 N forces and their resultant, R? C B D A 4 / 5 4) Which of the following phenomena can be explained using Newton's 3rd Law of Motion? (i) A man swims across a pool by pushing the water with his limbs. (ii) A passenger in a car moves forward when the car suddenly stops. (iii) A coin and a feather fall with the same acceleration in a vacuum. (iv) A space shuttle travels through space to the moon by ejecting the burning fuel. (i) only (i) and (iv) only (i), (ii) and (iv) only (i) and (iii) only 5 / 5 5) An object is attached to the end of a string and rotated at a constant speed in a horizontal plane. Which of the following statements correctly describes the motion of the object? The displacement of the object after 1 complete revolution is zero. The acceleration of the object is constant. The force acting on the object is along the circumference of the circle. The direction of travel of the object is constant. Your score is Restart quiz
